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  <title>to_s (MusicBank)</title>
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  <pre><span class="ruby-comment cmt"># File music_bank.rb, line 253</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_s</span>
    <span class="ruby-identifier">str</span> = <span class="ruby-ivar">@songs</span>.<span class="ruby-identifier">first</span>.<span class="ruby-identifier">dup</span>;
    <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@songs</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">&gt;</span> <span class="ruby-value">2</span>
      <span class="ruby-ivar">@songs</span>[<span class="ruby-value">1</span><span class="ruby-operator">..</span>(<span class="ruby-ivar">@songs</span>.<span class="ruby-identifier">length</span><span class="ruby-operator">-</span><span class="ruby-value">2</span>)].<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">song</span><span class="ruby-operator">|</span>
        <span class="ruby-identifier">str</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;, &quot;</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">song</span>;
      <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@songs</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">&gt;</span> <span class="ruby-value">1</span>
      <span class="ruby-identifier">str</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; and &quot;</span> <span class="ruby-operator">+</span> <span class="ruby-ivar">@songs</span>.<span class="ruby-identifier">last</span>;
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-identifier">str</span>;
  <span class="ruby-keyword kw">end</span></pre>
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